public ISegment GetBeforeReplaceableActiveElement(bool stopWhenReachOut = true)
{
if (Context != null && IsSnippetActivated)
{
ReplaceableActiveElement beforeElement = null;
foreach (IActiveElement element in Context.ActiveElements)
{
ReplaceableActiveElement re = element as ReplaceableActiveElement;
if (re != null)
{
if (_activeElement.Equals(re))
{
if (beforeElement == null)//이번 것이 첫 snippet이고, 이전에 선택된 것과 같을 경우..
{
if (stopWhenReachOut)
{
return(re.Segment); //더이상 움직이지 않는다.
}
else//끝낸다.
{
IsSnippetActivated = false;
_activeElement = null;
return(null);
}
}
else
{
_activeElement = beforeElement;
IsSnippetActivated = true;
return(beforeElement.Segment);
}
}
else
{
beforeElement = re;//계속 저장하면서 나간다.
}
}
}
if (beforeElement != null)//제일 마지막까지 왔다면 뒤에서부터 처음 시작했다는 의미이다.
{
_activeElement = beforeElement;
IsSnippetActivated = true;
return(beforeElement.Segment);
}
}
return(null);//제일 마지막까지 갔는데 없다면 ActiveSnippet이 하나도 없는 것이다.
}
public ISegment GetFirstReplaceableActiveElement()
{
if (Context != null && IsSnippetActivated)
{
foreach (IActiveElement element in Context.ActiveElements)
{
ReplaceableActiveElement re = element as ReplaceableActiveElement;
if (re != null)
{
return(re.Segment);
}
}
}
return(null);//제일 마지막까지 갔는데 없다면 모든 Active snippet을 돈 것이다.
}
public int GetCountOfReplaceableActiveElement()
{
if (Context != null && IsSnippetActivated)
{
int count = 0;
foreach (IActiveElement element in Context.ActiveElements)
{
ReplaceableActiveElement re = element as ReplaceableActiveElement;
if (re != null)
{
count++;
}
}
return(count);
}
return(0);
}
public ISegment GetLastReplaceableActiveElement()
{
if (Context != null && IsSnippetActivated)
{
ReplaceableActiveElement last = null;
foreach (IActiveElement element in Context.ActiveElements)
{
ReplaceableActiveElement re = element as ReplaceableActiveElement;
if (re != null)
{
last = re;
}
}
return(last.Segment);
}
return(null);
}
public ISegment GetNextReplaceableActiveElement(bool stopWhenReachOut = true)
{
if (Context != null && IsSnippetActivated)
{
bool isCurrent = false;
foreach (IActiveElement element in Context.ActiveElements)
{
ReplaceableActiveElement re = element as ReplaceableActiveElement;
if (re != null)
{
if (_activeElement == null)
{
_activeElement = re;
IsSnippetActivated = true;
return(re.Segment);
}
else
{
if (_activeElement.Equals(re))
{
isCurrent = true;
}
else if (isCurrent)
{
_activeElement = re;
IsSnippetActivated = true;
return(re.Segment);
}
}
}
}
}
if (stopWhenReachOut)
{
return(_activeElement.Segment);
}
else
{
_activeElement = null;
IsSnippetActivated = false;
return(null);//제일 마지막까지 갔는데 없다면 모든 Active snippet을 돈 것이다.
}
}
public int GetIndexOfActivatedReplaceableActiveElement()
{
if (Context != null && IsSnippetActivated)
{
int count = 0;
foreach (IActiveElement element in Context.ActiveElements)
{
ReplaceableActiveElement re = element as ReplaceableActiveElement;
if (re != null)
{
if (re.Equals(_activeElement))
{
return(count);
}
count++;
}
}
return(count);
}
return(0);
}
public ISegment GetReplaceableActiveElement(int index)
{
if (Context != null && IsSnippetActivated)
{
int count = 0;
foreach (IActiveElement element in Context.ActiveElements)
{
ReplaceableActiveElement re = element as ReplaceableActiveElement;
if (re != null)
{
if (count == index)
{
return(re.Segment);
}
else
{
count++;
}
}
}
}
return(null);
}